| //===- AutoUpgrade.h - AutoUpgrade Helpers ----------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // These functions are implemented by lib/IR/AutoUpgrade.cpp. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_IR_AUTOUPGRADE_H |
| #define LLVM_IR_AUTOUPGRADE_H |
| |
| #include "llvm/ADT/StringRef.h" |
| |
| namespace llvm { |
| class AttrBuilder; |
| class CallInst; |
| class Constant; |
| class Function; |
| class Instruction; |
| class MDNode; |
| class Module; |
| class GlobalVariable; |
| class Type; |
| class Value; |
| |
| /// This is a more granular function that simply checks an intrinsic function |
| /// for upgrading, and returns true if it requires upgrading. It may return |
| /// null in NewFn if the all calls to the original intrinsic function |
| /// should be transformed to non-function-call instructions. |
| bool UpgradeIntrinsicFunction(Function *F, Function *&NewFn); |
| |
| /// This is the complement to the above, replacing a specific call to an |
| /// intrinsic function with a call to the specified new function. |
| void UpgradeIntrinsicCall(CallInst *CI, Function *NewFn); |
| |
| // This upgrades the comment for objc retain release markers in inline asm |
| // calls |
| void UpgradeInlineAsmString(std::string *AsmStr); |
| |
| /// This is an auto-upgrade hook for any old intrinsic function syntaxes |
| /// which need to have both the function updated as well as all calls updated |
| /// to the new function. This should only be run in a post-processing fashion |
| /// so that it can update all calls to the old function. |
| void UpgradeCallsToIntrinsic(Function* F); |
| |
| /// This checks for global variables which should be upgraded. It it requires |
| /// upgrading, returns a pointer to the upgraded variable. |
| GlobalVariable *UpgradeGlobalVariable(GlobalVariable *GV); |
| |
| /// This checks for module flags which should be upgraded. It returns true if |
| /// module is modified. |
| bool UpgradeModuleFlags(Module &M); |
| |
| /// Convert calls to ARC runtime functions to intrinsic calls and upgrade the |
| /// old retain release marker to new module flag format. |
| void UpgradeARCRuntime(Module &M); |
| |
| void UpgradeSectionAttributes(Module &M); |
| |
| /// If the given TBAA tag uses the scalar TBAA format, create a new node |
| /// corresponding to the upgrade to the struct-path aware TBAA format. |
| /// Otherwise return the \p TBAANode itself. |
| MDNode *UpgradeTBAANode(MDNode &TBAANode); |
| |
| /// This is an auto-upgrade for bitcast between pointers with different |
| /// address spaces: the instruction is replaced by a pair ptrtoint+inttoptr. |
| Instruction *UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy, |
| Instruction *&Temp); |
| |
| /// This is an auto-upgrade for bitcast constant expression between pointers |
| /// with different address spaces: the instruction is replaced by a pair |
| /// ptrtoint+inttoptr. |
| Value *UpgradeBitCastExpr(unsigned Opc, Constant *C, Type *DestTy); |
| |
| /// Check the debug info version number, if it is out-dated, drop the debug |
| /// info. Return true if module is modified. |
| bool UpgradeDebugInfo(Module &M); |
| |
| /// Check whether a string looks like an old loop attachment tag. |
| inline bool mayBeOldLoopAttachmentTag(StringRef Name) { |
| return Name.startswith("llvm.vectorizer."); |
| } |
| |
| /// Upgrade the loop attachment metadata node. |
| MDNode *upgradeInstructionLoopAttachment(MDNode &N); |
| |
| /// Upgrade the datalayout string by adding a section for address space |
| /// pointers. |
| std::string UpgradeDataLayoutString(StringRef DL, StringRef Triple); |
| |
| /// Upgrade function attributes "no-frame-pointer-elim" and |
| /// "no-frame-pointer-elim-non-leaf" to "frame-pointer". |
| void UpgradeFramePointerAttributes(AttrBuilder &B); |
| |
| } // End llvm namespace |
| |
| #endif |